Evaluate
\frac{568}{27}\approx 21.037037037
Factor
\frac{2 ^ {3} \cdot 71}{3 ^ {3}} = 21\frac{1}{27} = 21.037037037037038
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\left(\frac{\frac{490}{3}+\frac{6}{3}}{3}+2\right)\times \frac{1}{3}+2
Convert 2 to fraction \frac{6}{3}.
\left(\frac{\frac{490+6}{3}}{3}+2\right)\times \frac{1}{3}+2
Since \frac{490}{3} and \frac{6}{3} have the same denominator, add them by adding their numerators.
\left(\frac{\frac{496}{3}}{3}+2\right)\times \frac{1}{3}+2
Add 490 and 6 to get 496.
\left(\frac{496}{3\times 3}+2\right)\times \frac{1}{3}+2
Express \frac{\frac{496}{3}}{3} as a single fraction.
\left(\frac{496}{9}+2\right)\times \frac{1}{3}+2
Multiply 3 and 3 to get 9.
\left(\frac{496}{9}+\frac{18}{9}\right)\times \frac{1}{3}+2
Convert 2 to fraction \frac{18}{9}.
\frac{496+18}{9}\times \frac{1}{3}+2
Since \frac{496}{9} and \frac{18}{9} have the same denominator, add them by adding their numerators.
\frac{514}{9}\times \frac{1}{3}+2
Add 496 and 18 to get 514.
\frac{514\times 1}{9\times 3}+2
Multiply \frac{514}{9} times \frac{1}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{514}{27}+2
Do the multiplications in the fraction \frac{514\times 1}{9\times 3}.
\frac{514}{27}+\frac{54}{27}
Convert 2 to fraction \frac{54}{27}.
\frac{514+54}{27}
Since \frac{514}{27} and \frac{54}{27} have the same denominator, add them by adding their numerators.
\frac{568}{27}
Add 514 and 54 to get 568.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}